package com.cvit;
public class Main
{
	public void chooseClass(SubClass2 sub2)
	public void chooseClass(SubClass3 sub3)
	public static void main (String args[])
	{
		int x=7;
		Airplane airplane=new Airplane();
		airplane.takeOff();
		SubClass1 sub1=new SubClass1;
		sub1.aMethod();
		int a sub1.aMethod(x,x);
		System.out.println(a);
		airplane.fly();
		SubClass2 sub2=new SubClass2;
		SubClass3 sub3=new SubClass3;
		System.out.println("");
		sub3.chooseClass();
		chooseClass(sub2);
		int b sub1.aMethod(x,x);
		System.out.println(b);
		chooseClass(sub3);
		int c sub1.aMethod(x,x);
		System.out.println(c);
		airplane.fly();
	}
}